Fan assembly
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United States of America Patent
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Oct 17, 2017
Issued Date -
N/A
app pub date -
Feb 24, 2015
filing date -
Feb 24, 2014
priority date (Note) -
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Abstract
A fan assembly has a support structure and a motor fixed to the support structure. The motor has a stator, an outer rotor and a controller. Components of the controller are in a thermal exchange relationship with a plate-like heat sink at one end of the stator. A fan, fixed to the rotor, has a hollow hub from which blades extend. Air flows through inlet openings in a front wall of the hub. The heat sink has a slit with an outer side, axially offset from the inner side. A portion of the heat sink forms a wing deflecting part of the air flow coming from the inlet openings through the slit to pass over the surface of the heat sink.
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